SB2019052839 - Out-of-bounds read in rdesktop (Alpine package)



SB2019052839 - Out-of-bounds read in rdesktop (Alpine package)

Published: May 28, 2019

Security Bulletin ID SB2019052839
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2018-20178)

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in the function process_demand_active() that results in a Denial of Service (segfault).


Remediation

Install update from vendor's website.